package com.xqb.web.controller.common;

import com.google.code.kaptcha.Producer;
import com.xqb.common.annotation.RepeatSubmit;
import com.xqb.common.config.RuoYiConfig;
import com.xqb.common.constant.CacheConstants;
import com.xqb.common.constant.Constants;
import com.xqb.common.constants.MyConstants;
import com.xqb.common.core.domain.AjaxResult;
import com.xqb.common.core.domain.entity.SysUser;
import com.xqb.common.core.redis.RedisCache;
import com.xqb.common.utils.CommonUtils;
import com.xqb.common.utils.SmsUtils;
import com.xqb.common.utils.sign.Base64;
import com.xqb.common.utils.uuid.IdUtils;
import com.xqb.system.service.ISysConfigService;
import com.xqb.system.service.ISysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.FastByteArrayOutputStream;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.concurrent.TimeUnit;

/**
 * 验证码操作处理
 * 
 * @author ruoyi
 */
@RestController
public class CaptchaController
{
    @Resource(name = "captchaProducer")
    private Producer captchaProducer;
    @Resource(name = "captchaProducerMath")
    private Producer captchaProducerMath;
    @Autowired
    private RedisCache redisCache;
    @Autowired
    private ISysConfigService configService;
    @Autowired
    private SmsUtils smsUtils;
    @Autowired
    private ISysUserService sysUserService;
    /**
     * 生成验证码
     */
    @GetMapping("/captchaImage")
    public AjaxResult getCode() {
        AjaxResult ajax = AjaxResult.success();
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        ajax.put("captchaEnabled", captchaEnabled);
        if (!captchaEnabled)
        {
            return ajax;
        }

        // 保存验证码信息
        String uuid = IdUtils.simpleUUID();
        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;

        String capStr = null, code = null;
        BufferedImage image = null;

        // 生成验证码
        String captchaType = RuoYiConfig.getCaptchaType();
        if ("math".equals(captchaType))
        {
            String capText = captchaProducerMath.createText();
            capStr = capText.substring(0, capText.lastIndexOf("@"));
            code = capText.substring(capText.lastIndexOf("@") + 1);
            image = captchaProducerMath.createImage(capStr);
        }
        else if ("char".equals(captchaType))
        {
            capStr = code = captchaProducer.createText();
            image = captchaProducer.createImage(capStr);
        }

        redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
        // 转换流信息写出
        FastByteArrayOutputStream os = new FastByteArrayOutputStream();
        try
        {
            ImageIO.write(image, "jpg", os);
        }
        catch (IOException e)
        {
            return AjaxResult.error(e.getMessage());
        }

        ajax.put("uuid", uuid);
        ajax.put("img", Base64.encode(os.toByteArray()));
        return ajax;
    }

    /**
     * 发送短信验证码并返回UUID（用于后续验证）
     */
    @GetMapping("/sendSmsCaptcha")
    @RepeatSubmit
    public AjaxResult sendSmsCaptcha(@RequestParam("phone") String phone, @RequestParam("type") Integer type) {
        AjaxResult ajax = new AjaxResult();
        if (!CommonUtils.isMobile(phone)) {
            return AjaxResult.error("手机号格式不正确");
        }
        SysUser sysUser = new SysUser();
        sysUser.setPhonenumber(phone);
        if (sysUserService.checkPhoneUnique(sysUser)) {
            return AjaxResult.error("该手机号未注册,请先注册");
        }
//        if (redisCache.hasKey(CacheConstants.SMS_CAPTCHA_CODE_KEY + uuid)) {
//            return AjaxResult.error("验证码已发送，请稍后再试");
//        }
        String uuid = IdUtils.simpleUUID();
        String verifyKey = CacheConstants.SMS_CAPTCHA_CODE_KEY + uuid;
        String code = CommonUtils.generateCode(6); // 生成6位验证码
        String validTime = redisCache.getCacheObject(MyConstants.CODE_VALID_TIME_KEY);

        // 缓存验证码，设置有效期
        redisCache.setCacheObject(verifyKey, code, Integer.parseInt(validTime), TimeUnit.MINUTES);

        // 发送短信验证码
        String[] phoneNumberSet = {phone};
        String[] templateParamSet = {code, validTime};
        smsUtils.smsSendMessage(phoneNumberSet, templateParamSet, type);
        ajax.put("uuid", uuid);
        return ajax;
    }


}
